How to install luasql on Linux Ubuntu 16?

Thanks to the help of the StackOverflow community, I was able to correctly install luasql on my computer running Linux CentOS 7.

Now I have a similar problem on Linux Ubuntu 16. I tried the following commands:

sudo apt-get -y install lua-sql-postgres sudo apt-get -y install lua-sql-postgres-dev sudo luarocks install luasql-postgres 

And here's the error I get from the system:

Installing https://rocks.moonscript.org/luasql-postgres-2.3.5-2.rockspec... Using https://rocks.moonscript.org/luasql-postgres-2.3.5-2.rockspec... switching to 'build' mode  Error: Could not find expected file libpq-fe.h, or libpq-fe.h for PGSQL -- you may have to install PGSQL in your system and/or pass PGSQL_DIR or PGSQL_INCDIR to the luarocks command. Example: luarocks install luasql-postgres PGSQL_DIR=/usr/local 

Does anyone know how to solve this problem? Thanks

2 Answers

Answers 1

As suggested by @Knud Larsen first you need to install libpq-dev.

If it was installed sussecfully then you can see file /usr/include/postgresql/libpq-fe.h

After that try below command.

sudo luarocks PGSQL_INCDIR=/usr/include/postgresql/ install luasql-postgres

Answers 2

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Please install the package libpq-dev :

The file libpq-fe.h is in /usr/include/postgresql/ http://packages.ubuntu.com/xenial-updates/amd64/libpq-dev/filelist

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